Home / 48,916.48-67,498.14-28,761.70

Finding the Fourth Proportional to 48,916.48, 67,498.14 and 28,761.70

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Solution

The fourth proportional to 48,916.48, 67,498.14 and 28,761.70 is: 39,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,916.48 : 67,498.14 = 28,761.70 : x
  2. Step 2: Convert to fraction form
    48,916.48/67,498.14 = 28,761.70/x
  3. Step 3: Cross multiply
    48,916.48x = 67,498.14 × 28,761.70
  4. Step 4: Simplify right side
    48,916.48x = 1,941,361,253.24
  5. Step 5: Solve for x
    x = 1,941,361,253.24/48,916.48
  6. Step 6: Final answer
    x = 39,687.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.